sales department
tel：（+86）022-88715820/21/22
fax：（+86）022-88715825
address：teda microelectronics ,balitai town,jinnan district,tianjin,china
maintenance department
tel：（+86）022-88715823
fax：（+86）022-88715825
address：teda microelectronics ,balitai town,jinnan district,tianjin,china